/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jmeter.monitor.model;

// For unit tests, @see TestObjectFactory

import org.apache.jmeter.monitor.parser.Parser;
import org.apache.jmeter.monitor.parser.ParserImpl;
import org.apache.jmeter.samplers.SampleResult;

/**
 * ObjectFactory is a simple factory class which creates new instances of
 * objects. It also provides convienant method to parse XML status results.
 */
public class ObjectFactory {

	private static ObjectFactory FACTORY = null;

	private final Parser PARSER;

	/**
	 * 
	 */
	protected ObjectFactory() {
		super();
		PARSER = new MonitorParser(this);
	}

	public static synchronized ObjectFactory getInstance() {
		if (FACTORY == null) {
			FACTORY = new ObjectFactory();
		}
		return FACTORY;
	}

	public synchronized Status parseBytes(byte[] bytes) {
		return PARSER.parseBytes(bytes);
	}

	public Status parseString(String content) {
		return PARSER.parseString(content);
	}

	public Status parseSampleResult(SampleResult result) {
		return PARSER.parseSampleResult(result);
	}

	public Status createStatus() {
		return new StatusImpl();
	}

	public Connector createConnector() {
		return new ConnectorImpl();
	}

	public Jvm createJvm() {
		return new JvmImpl();
	}

	public Memory createMemory() {
		return new MemoryImpl();
	}

	public RequestInfo createRequestInfo() {
		return new RequestInfoImpl();
	}

	public ThreadInfo createThreadInfo() {
		return new ThreadInfoImpl();
	}

	public Worker createWorker() {
		return new WorkerImpl();
	}

	public Workers createWorkers() {
		return new WorkersImpl();
	}

	protected static class MonitorParser extends ParserImpl {
		public MonitorParser(ObjectFactory factory) {
			super(factory);
		}
	}
}
